package cn.skcks;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class HelloServlet extends HttpServlet {

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// 获取前端参数
		String method = req.getParameter("method");
		if(method.equals("add")){
			req.getSession().setAttribute("msg","执行了 add 方法");
		}
		if(method.equals("delete")){
			req.getSession().setAttribute("msg","执行了 delete 方法");
		}

		// 调用业务层

		// 视图转发 / 重定向
		req.getRequestDispatcher("/WEB-INF/jsp/test.jsp").forward(req,resp);
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		super.doPost(req, resp);
	}
}